Copyright © 2008 Pearson Prentice Hall, Inc.
Chapter 4/
55
Balancing Redox Reactions:
The Half-Reaction Method
•
Balance both half-reactions for all atoms except O and
H.
I
O
3
1-
(
aq
)
I
1-
(
aq
)
2
Cr
3+
(
aq
)
Cr
2
O
7
2-
(
aq
)